package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("风景1.png");
        FileOutputStream fos=new FileOutputStream("风景11.png");
        long start = System.currentTimeMillis();

        int d ;

        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("总耗时："+(end-start)+"毫秒");
//        int d;
//        while ((d=fis.read())!=-1){
//            fos.write(d);
//        }
        System.out.println("复制完毕");
        fis.close();
        fos.close();
    }
}
